from matplotlib import pyplot as plt
import numpy as np

x=np.arange(1,20,2)
n=np.arange(6)
fig,axes=plt.subplots(1,4,figsize=(16,5))
axes[0].scatter(x,x+0.25*np.random.randn(len(x)))
axes[0].set_title('scatter')
axes[1].step(n, n**2, lw=2)
axes[1].set_title("step")
axes[2].bar(n, n**2, align="center", width=0.5, alpha=0.5)
axes[2].set_title("bar")
axes[3].fill_between(x, x**2, x**3, color="green", alpha=0.5)
axes[3].set_title("fill_between")
plt.show()
